======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '73'
                                          'artist'  'Dub Trio'
                                     'text_people'  ''
                                         'release'  'New Heavy'
                                           'title'  "Yes You Can't"
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['instrumental', 'dub', 'alternative', 'experimental', 'rock']"
                                     'discogstags'  "['rock', 'reggae', 'alternative rock', 'reggae', 'dub']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '07'
                                      'tracktotal'  ''
                                            'date'  '2006'
                                        'comments'  ''
                                           'genre'  'rock-gr'
                                             'bpm'  '119.900'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'PRIV:AverageLevel:\x7f\x13\x00\x00'                PRIV(owner='AverageLevel', data=b'\x7f\x13\x00\x00')
'PRIV:PeakValue:ÿ\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xff\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'New Heavy'
'TBPM' (BPM (beats per minute))                     '119.900'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr'
'TDRC' (Recording time)                             '2006'
'TENC' (Encoded by)                                 'iTunes v6.0.1.3'
'TIT2' (Title/songname/content description)         "Yes You Can't"
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Dub Trio'
'TRCK' (Track number/Position in set)               '07'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'reggae', 'alternative rock', 'reggae', 'dub']
'TXXX:lastfmtags'                                   ['instrumental', 'dub', 'alternative', 'experimental', 'rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.50 dB'
'TXXX:replaygain_track_peak'                        '0.605422'

========================== row from database ==========================
                                              'id'  1512938
                                            'path'  /data/Music/Bulk/00localcharacter/00reggae-dub/Dub Trio/New Heavy/07 Yes You Can_t.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  73
                                           'genre'  rock-gr
                                        'filesize'  1765627
                                           'mtime'  1636902835
                                   'redo_metaread'  0
                                        'rest_str'   00localcharacter 00reggae dub 07 Can_t rock gr
                                      'tag_artist'  Dub Trio
                                     'tag_release'  New Heavy
                                       'tag_title'  Yes You Can't
                                             'bpm'  119.9
                                    'search_title'  'can':3 'cant':5 't':4 'yes':1 'you':2
                                   'search_artist'  'dub':1 'trio':2
                                  'search_release'  'heavy':2 'new':1
                                     'search_rest'  '00reggae':1 'can':3 'dub':2 'gr':6 'rock':5 't':4
                                    'search_combo'  '00reggae':10 'can':3A,12 'cant':5A 'dub':6B,11 'gr':15 'heavy':9C 'new':8C 'rock':14 't':4A,13 'trio':7B 'yes':1A 'you':2A
                                    'tag_tracknum'  7
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-4', 'q-syn-2', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['instrumental', 'dub', 'alternative', 'experimental', 'rock']
                                        'tag_date'  2006
                                     'discogstags'  ['rock', 'reggae', 'alternative rock', 'reggae', 'dub']

============================== file details ==============================
                                           'mtime'  1636902834.5615153  (2021-11-14 16:13:54)
                             'size'  1765627